/* 
  Presentation Feature Styles
  Using rich dynamic backgrounds instead of flat colors.
*/

/* Modal Overlay & Structure */
#pres-modal {
  position: fixed;
  inset: 0;
  z-index: 10000;
  background: var(--bg-color, #121212);
  display: flex;
  flex-direction: column;
}

.pres-modal-header {
  height: 60px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 0 24px;
  background: rgba(0, 0, 0, 0.5);
  backdrop-filter: blur(20px);
  border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}

.pres-header-actions {
  display: flex;
  gap: 12px;
  align-items: center;
}

.pres-modal-body {
  flex: 1;
  display: flex;
  overflow: hidden;
}

/* Thumbnails (Left) */
.pres-thumbnails-pane {
  width: 240px;
  background: rgba(20, 20, 20, 0.8);
  border-right: 1px solid rgba(255, 255, 255, 0.05);
  display: flex;
  flex-direction: column;
  padding: 24px 16px;
  gap: 16px;
  overflow-y: auto;
}

.pres-thumbnail-wrapper {
  position: relative;
  width: 100%;
  aspect-ratio: 16 / 9;
  border-radius: 8px;
  overflow: hidden;
  cursor: pointer;
  border: 2px solid transparent;
  transition: all 0.3s ease;
  background: #000;
  opacity: 0.7;
}

.pres-thumbnail-wrapper:hover {
  opacity: 1;
  transform: scale(1.02);
}

.pres-thumbnail-wrapper.active {
  border-color: var(--pres-accent, #c183f0);
  opacity: 1;
}

.pres-thumbnail-scale {
  /* Scale down the actual slide to fit in thumbnail */
  width: 1920px;
  height: 1080px;
  transform-origin: top left;
}

/* Stage (Center) */
.pres-stage-pane {
  flex: 2;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  background: #0a0a0a;
  position: relative;
  padding: 40px;
  overflow: hidden;
}

/* The actual 16:9 Slide */
.pres-slide-container {
  width: 100%;
  aspect-ratio: 16 / 9;
  background: var(--pres-bg, radial-gradient(circle at top right, #2a0845, #6441A5));
  border-radius: 16px;
  box-shadow: 0 24px 64px rgba(0, 0, 0, 0.6);
  position: relative;
  overflow: hidden;
  display: flex;
  color: var(--text-primary, #fff);
  font-family: 'Inter', sans-serif;
  view-transition-name: slide-content;
  container-type: inline-size;
}

/* Add a rich aurora mesh overlay to all backgrounds to prevent flat colors */
.pres-slide-container::before {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse at bottom left, rgba(255,255,255,0.05) 0%, transparent 60%),
              radial-gradient(ellipse at top right, rgba(0,0,0,0.3) 0%, transparent 50%);
  pointer-events: none;
}

/* Chat Sidebar (Right) - Reusing PDF modal styles mostly */
.pres-chat-pane {
  width: 400px;
  background: rgba(30, 30, 30, 0.6);
  backdrop-filter: blur(40px);
  border-left: 1px solid rgba(255, 255, 255, 0.05);
  display: flex;
  flex-direction: column;
  position: relative;
}

/* Presenter Mode (Fullscreen) */
body.pres-fullscreen #pres-modal {
  z-index: 99999;
}
body.pres-fullscreen .pres-modal-header,
body.pres-fullscreen .pres-thumbnails-pane,
body.pres-fullscreen .pres-chat-pane {
  display: none !important;
}
body.pres-fullscreen .pres-stage-pane {
  padding: 0;
  background: #000;
}
body.pres-fullscreen .pres-slide-container {
  border-radius: 0;
  max-width: none;
  width: 100vw;
  height: 100vh;
}

/* Slide Layouts & Elements */
.slide-content-wrapper {
  position: relative;
  z-index: 2;
  width: 100%;
  height: 100%;
  padding: 8%;
  display: flex;
  flex-direction: column;
}

.slide-layout-title {
  justify-content: center;
  align-items: center;
  text-align: center;
}

.slide-layout-title h1 {
  font-size: 6cqi;
  font-weight: 800;
  margin-bottom: 2cqi;
  line-height: 1.1;
  background: linear-gradient(to right, #fff, rgba(255,255,255,0.7));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}
.slide-layout-title h2 {
  font-size: 3cqi;
  font-weight: 400;
  color: var(--pres-accent, #c183f0);
  opacity: 0.9;
}
.slide-layout-title svg.lucide {
  width: 10cqi;
  height: 10cqi;
  color: var(--pres-accent, #c183f0);
  margin-bottom: 2cqi;
  filter: drop-shadow(0 0 32px rgba(193, 131, 240, 0.4));
}

.slide-layout-split {
  flex-direction: row;
  justify-content: space-between;
  align-items: center;
  gap: 8%;
}

.slide-layout-split .slide-text-side {
  flex: 1;
}
.slide-layout-split .slide-visual-side {
  flex: 1;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
}

/* Image Split Layout */
.slide-layout-image-split {
  flex-direction: row;
  justify-content: space-between;
  align-items: center;
  gap: 8%;
}

.slide-layout-image-split .slide-text-side {
  flex: 1.2;
}

.slide-layout-image-split .slide-visual-side {
  flex: 0.8;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
}

.pres-image-wrapper {
  width: 100%;
  height: 100%;
  max-height: 70cqi;
  border-radius: 24px;
  overflow: hidden;
  box-shadow: 0 20px 40px rgba(0,0,0,0.4);
  border: 1px solid rgba(255,255,255,0.1);
}

.pres-image-wrapper img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.5s ease;
}

.pres-image-wrapper:hover img {
  transform: scale(1.05);
}

/* Cover Layout */
.slide-layout-cover {
  padding: 0;
  justify-content: center;
  align-items: center;
  text-align: center;
  background-size: cover;
  background-position: center;
}

.slide-cover-overlay {
  position: absolute;
  inset: 0;
  background: rgba(0, 0, 0, 0.6);
  backdrop-filter: blur(8px);
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  padding: 10%;
  z-index: 2;
}

.slide-cover-overlay h1 {
  font-size: 8cqi;
  font-weight: 800;
  margin-bottom: 2cqi;
  line-height: 1.1;
  color: white;
  text-shadow: 0 10px 30px rgba(0,0,0,0.8);
}
.slide-cover-overlay h2 {
  font-size: 4cqi;
  font-weight: 400;
  color: rgba(255,255,255,0.9);
  text-shadow: 0 5px 20px rgba(0,0,0,0.8);
}
.slide-cover-overlay blockquote {
  font-size: 5cqi;
  font-weight: 600;
  font-style: italic;
  color: white;
  text-shadow: 0 10px 30px rgba(0,0,0,0.8);
}

.slide-layout-quote {
  justify-content: center;
  align-items: center;
  text-align: center;
}

.slide-layout-quote blockquote {
  font-size: 4.5cqi;
  font-weight: 600;
  font-style: italic;
  line-height: 1.3;
  margin: 0;
  position: relative;
}
.slide-layout-quote blockquote::before {
  content: '"';
  font-size: 12cqi;
  color: var(--pres-accent, #c183f0);
  opacity: 0.3;
  position: absolute;
  top: -5cqi;
  left: -4cqi;
}

/* Typography & Elements */
.slide-title {
  font-size: 4cqi;
  font-weight: 700;
  margin-bottom: 3cqi;
  color: var(--pres-accent, #c183f0);
}

.slide-bullets {
  list-style: none;
  padding: 0;
  margin: 0;
}
.slide-bullets li {
  font-size: 2.5cqi;
  line-height: 1.5;
  margin-bottom: 1.5cqi;
  display: flex;
  align-items: center;
}
.slide-bullets li::before {
  content: '';
  display: inline-block;
  width: 1cqi;
  height: 1cqi;
  border-radius: 50%;
  background: var(--pres-accent, #c183f0);
  margin-right: 1.5cqi;
}

/* Staggered Entrance Animations */
.pres-slide-container.animating-in .slide-content-wrapper > * {
  animation: slideFadeIn 0.8s cubic-bezier(0.16, 1, 0.3, 1) forwards;
  opacity: 0;
  transform: translateY(40px);
}
.pres-slide-container.animating-in .slide-content-wrapper > *:nth-child(1) { animation-delay: 0.1s; }
.pres-slide-container.animating-in .slide-content-wrapper > *:nth-child(2) { animation-delay: 0.2s; }
.pres-slide-container.animating-in .slide-content-wrapper > *:nth-child(3) { animation-delay: 0.3s; }
.pres-slide-container.animating-in .slide-content-wrapper > *:nth-child(4) { animation-delay: 0.4s; }

@keyframes slideFadeIn {
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* View Transitions */
::view-transition-old(slide-content) {
  animation: fade-out 0.4s cubic-bezier(0.4, 0, 0.2, 1) forwards;
}
::view-transition-new(slide-content) {
  animation: fade-in 0.4s cubic-bezier(0.4, 0, 0.2, 1) forwards;
}
@keyframes fade-in { from { opacity: 0; transform: scale(0.98); } to { opacity: 1; transform: scale(1); } }
@keyframes fade-out { from { opacity: 1; transform: scale(1); } to { opacity: 0; transform: scale(1.02); } }

/* Mermaid styling inside slides */
.pres-slide-container .mermaid {
  background: rgba(0, 0, 0, 0.4);
  padding: 32px;
  border-radius: 24px;
  border: 1px solid rgba(255, 255, 255, 0.1);
  width: 100%;
}
.pres-slide-container .mermaid svg {
  width: 100%;
  height: auto;
  max-height: 40cqi;
}

/* Responsive Mobile Layout */
@media (max-width: 900px) {
  .pres-modal-body {
    flex-direction: column;
  }
  .pres-thumbnails-pane {
    display: none; /* Hide thumbnails on small screens */
  }
  .pres-stage-pane {
    padding: 16px;
    background: #000;
  }
  .pres-chat-pane {
    width: 100%;
    height: 350px;
    border-left: none;
    border-top: 1px solid rgba(255, 255, 255, 0.05);
    flex-shrink: 0;
  }
  
  .slide-layout-split, .slide-layout-image-split {
    flex-direction: column;
    justify-content: center;
  }
}